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atmel-samd: Add time.ticks_diff function from esp port.

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This commit is contained in:
Tony DiCola 2016-10-13 05:18:18 +00:00
parent 903bc8d04e
commit f77113c04f
1 changed files with 9 additions and 0 deletions
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9
atmel-samd/modutime.c
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@ -69,6 +69,14 @@ STATIC mp_obj_t time_ticks_ms(void) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(time_ticks_ms_obj, time_ticks_ms);
STATIC mp_obj_t time_ticks_diff(mp_obj_t start_in, mp_obj_t end_in) {
// we assume that the arguments come from ticks_xx so are small ints
uint32_t start = MP_OBJ_SMALL_INT_VALUE(start_in);
uint32_t end = MP_OBJ_SMALL_INT_VALUE(end_in);
return MP_OBJ_NEW_SMALL_INT((end - start) & MP_SMALL_INT_POSITIVE_MASK);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(time_ticks_diff_obj, time_ticks_diff);
STATIC const mp_map_elem_t time_module_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_utime) },
@ -76,6 +84,7 @@ STATIC const mp_map_elem_t time_module_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_sleep_ms), (mp_obj_t)&time_sleep_ms_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_sleep_us), (mp_obj_t)&time_sleep_us_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_ticks_ms), (mp_obj_t)&time_ticks_ms_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_ticks_diff), (mp_obj_t)&time_ticks_diff_obj },
};
STATIC MP_DEFINE_CONST_DICT(time_module_globals, time_module_globals_table);